Product Details
Product Features
Overview
- Fits 2-5/16in (59mm) trailer couplers
- Advance locking mechanism resists picking and prying
- Easy to install and remove
- Resists rust and corrosion
Best Used For: Outdoors
![For personal and outdoors use](https://cdn.masterlock.com/masterlock/static/img/product/detail/personal-outdoors.jpg)
- Product Number: 378DAT
- Description: Keyed Alike, Retail Carded Packaging
- Master Carton Qty: 4
- Color: Silver
The Master Lock No. 378DAT features a 2-5/16in (59mm) trailer coupler lock, designed to resist rust and corrosion. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.
Service & Support
![](https://cdn.masterlock.com/masterlock/static/img/icon-manual.png)
Product
Manual
![](https://cdn.masterlock.com/masterlock/static/img/icon-support.png)